On Wed, 29 May 2002, Dave Morgan wrote:
> You do not need to archive the log files.
>
> Alter system switch logfile does not return until
> the logfile is written to disk.
This is demonstrably untrue, and incredibly easy to disprove. Try it
yourself!
SQL> select group#, sequence#, archived, status, first_time from v$log order by
sequence#;
GROUP# SEQUENCE# ARC STATUS FIRST_TIME
---------- ---------- --- ---------------- ----------------
5 54283 YES INACTIVE 2002-05-29:16:13
4 54284 YES INACTIVE 2002-05-29:17:15
1 54285 NO CURRENT 2002-05-29:17:17
SQL> alter system switch logfile;
System altered.
SQL> select group#, sequence#, archived, status, first_time from v$log order by
sequence#;
GROUP# SEQUENCE# ARC STATUS FIRST_TIME
---------- ---------- --- ---------------- ----------------
1 54284 YES INACTIVE 2002-05-29:17:15
2 54285 NO ACTIVE 2002-05-29:17:17
3 54286 NO CURRENT 2002-05-29:17:26
--
Jeremiah Wilton
http://www.speakeasy.net/~jwilton
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Author: Jeremiah Wilton
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